Good article on setting up samba on ubuntu.
I am reading
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Turn off display in Linux without X
If you’re using your laptop as a server without running X, here’s a command to turn on/off the display from CLI:
# vbetool dpms off
# vbetool dpms on
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Cisco 7971 IP Phone as a SIP device on asterisk
Good articles on the topic:
Posted in Trixbox
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Remove backup schedules from trixbox
# mysql -u asteriskuser -p amp109
mysql> connect asterisk;
mysql> delete from backup_schedule;
AWLL7025 Dual-Band Wireless-N USB in Ubuntu
I recently decided to move my old PC in the garage and run my web sites from there. One big problem though – no cat 5 in the garage. So, I thought lets get a cheap wireless-n USB adapter and I should be good. I purchased an AWLL7025 from amazon for $18. While the adapter worked great on a Windows 7 machine with the Vista drivers supplied by airlink, getting it to work on my linux machine running Ubuntu 10.0.4 wasn’t such a breeze. Here’s what I did to get it to work:
1. $lsusb in Ubuntu (device was not recognized, no driver loaded):
Bus 001 Device 002: ID 15a9:0012
2. Found out from the windows driver files that this device has a Ralink chipset rt2870.
3. Downloaded the Ralink rt2870 linux driver sources from their website and followed the instructions to compile the driver:
http://www.ralinktech.com/support.php?s=2
4. The one extra step that wasn’t in the readme was to add the device id (15a9:0012 from the lsusb output) in the appropriate source file before compiling the driver:
rtusb_dev_id.c: {USB_DEVICE(0x15A9,0×0012)}, /* Airlink AWLL7025 */
5. Loaded the compiled driver as per the instructions in the readme and I finally had a decent net connection (wireless-n speeds) from the PC in my garage!
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Trixbox: Trying the G729 Codec
So far the new G729 codec that I downloaded from http://asterisk.hosting.lv seems to be working great. Using SIP from the iPhone over the 3G network definitely benefits from this low bandwidth codec.
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How to setup a remote SIP extension
A good post on the subject of setting up a remote sip extension. This allows me to have SIP extensions over a WAN tunneling in through the my firewall.
A Good Primer on apt-get and dpkg
Came across a good primer on using apt-get.
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From 30,000 feet above
Technology has definitely come a long way. I’m writing this post on board Delta flight DL-2106 from San Jose to Atlanta using an in-flight wifi service called gogowifi. Getting a fairly decent speed as well. It’s a red eye, so I’m going to try and tune out so I can be functinal in the morning.